Table 2 Univariate analysis between patients with capillary lactate < 3.5 mmol/l (n = 58 patients) versus patients with capillary lactate ≥ 3.5 mmol/l (n = 62 patients)
From: Capillary lactate concentration on admission of normotensive trauma patients: a prospective study
Capillary lactate <3.5 mmol/l | Capillary lactate ≥3.5 mmol/l | p-value | |
|---|---|---|---|
N = 58 patients | N = 62 patients | ||
Age, years | 34.7 [26.3–55.1] | 38 [28.2–56.5] | 0.61 |
Male, n (%) | 50 (86 %) | 52 (84 %) | 0.72 |
Blunt trauma, n (%) | 51 (88 %) | 60 (97 %) | 0.47 |
Prehospital SBP, mmHg | 120 [100–136] | 111 [100–129] | |
Prehospital HR, beats/min | 77 [69–86] | 82 [75–100] | 0.26 |
Prehospital Shock index, n (%) : | 0.9 | ||
< 0.9 | 42 (72 %) | 42 (68 %) | 0.01 |
> 0.9 | 16 (28 %) | 20 (32 %) | |
Prehospital Crystalloid, ml | 250 [0–500] | 250 [0–500] | |
Prehospital Colloid, ml | 0 [0–0] | 0 [0–0] | |
Capillary lactate | 2.2 [1.4–2.6] | 5.6 [4.5–7.2] | <0.001 |
Blood lactate* | 1.45 [1–1.9] | 2.1 [1.4–3.2] | <0.01 |
Capillary haemoglobin, g/dl | 13.9 [13.0–15.0] | 13.1 [11.7–14.5] | 0.02 |
Emergency surgery, n (%) | 10 (17.2 %) | 18 (29 %) | 0.13 |
Embolization, n (%) | 0/58 (0 %) | 4/62 (6.5 %) | 0.04 |
ISS | 19 [10–26] | 18 [10–26] | 0.9 |
Length of stay in ICU, n (%) | 7 [3–19] | 6.5 [3.3–12.8] | <0.01 |
In-hospital mortality, n (%) | 1 (2 %) | 1 (2 %) | 0.58 |
Transfusion ≥4 RBC first 48 h, n (%) | 0 (0 %) | 12 (19 %) | 0.96 |